:root {
  --acp-bg: #0f1115;
  --acp-panel: #171a21;
  --acp-panel-alt: #1d2330;
  --acp-border: #32384a;
  --acp-text: #e8ebf4;
  --acp-muted: #9ea8c0;
  --acp-accent: #6ea8fe;
  --acp-accent-2: #79d5c7;
  --acp-shadow: 0 14px 30px rgba(0, 0, 0, 0.3);
}

body.acp-themed {
  margin: 0;
  padding: 24px;
  color: var(--acp-text);
  background: radial-gradient(circle at top, #1d2435 0%, var(--acp-bg) 52%);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100vh;
}

body.acp-themed h1,
body.acp-themed h2,
body.acp-themed h3,
body.acp-themed h4 {
  color: var(--acp-text);
}

body.acp-themed a { color: var(--acp-accent); }

body.acp-themed input,
body.acp-themed select,
body.acp-themed textarea,
body.acp-themed button {
  border-radius: 8px;
  border: 1px solid var(--acp-border);
  background: var(--acp-panel-alt);
  color: var(--acp-text);
  padding: 8px 10px;
}

body.acp-themed button,
body.acp-themed input[type="button"],
body.acp-themed input[type="submit"] {
  background: linear-gradient(135deg, #2c4f86, #3f67a2);
  border-color: #5f8dce;
  color: #f7fbff;
  font-weight: 600;
  cursor: pointer;
}

body.acp-themed table,
body.acp-themed fieldset,
body.acp-themed form {
  background: linear-gradient(145deg, var(--acp-panel) 0%, #141820 100%);
  border: 1px solid var(--acp-border);
  border-radius: 12px;
  box-shadow: var(--acp-shadow);
}

.acp-home-btn {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 9999;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid #5f8dce;
  text-decoration: none;
  color: #f7fbff;
  background: linear-gradient(135deg, #2c4f86, #3f67a2);
  box-shadow: var(--acp-shadow);
  font-weight: 600;
}

.acp-footer {
  margin-top: 28px;
  border-top: 1px solid var(--acp-border);
  padding-top: 12px;
  color: var(--acp-muted);
  text-align: center;
  font-size: 0.95rem;
}